1. Bird Weights and Egg Weights;Amadon;Auk,1943
2. Amadon, D. 1944 A Preliminary Life History of the Florida Jay, Cyanocitta c. coerulescens. Amer. Mus. Novitates No. 1252. (Incubation before laying first egg; other information on egg-laying and incubation.)
3. The Wren;Armstrong,1955
4. The Biology of the Wideawake or Sooty Tern Sterna fuscata on Ascension Island;Ashmole;Ibis,1963
5. Geographical Distribution in Relation to Number of Eggs;Averill;Condor,1933